Treatment of Community-Acquired Pneumonia: A Focus on Lefamulin
Abstract
The goal of this article is to review the clinical pharmacology, pharmacokinetics, efficacy, and safety of lemafulin. We performed a systematic literature review using the search terms of lefamulin and BC-3781 in the PubMed and EMBASE databases. We also cross-referenced the pertinent articles and searched ClinicalTrials.gov to identify ongoing and nonpublished studies. Published data from 2005 to 2019 evaluating the clinical pharmacology, efficacy, and safety studies of lefamulin were analyzed. In phase 3 clinical trials, two multicenter, randomized double-blinded studies—Lefamulin Evaluation Against Pneumonia 1 and 2 (LEAP 1 and 2)—compared the efficacy and safety of lemafulin with moxifloxacin in patients diagnosed with community-acquired bacterial pneumonia (CABP). Lemafulin given in doses of 600 mg orally or 150 mg intravenously were reported to have comparable efficacy to those of moxifloxacin with or without linezolid in patients with CABP. After the trial, the lefamulin group had an early clinical response (ECR) of 87.3% and the moxifloxacin group had an ECR of 90.2%. The difference of − 2.9% in the ECR was non-significant (CI − 8.5, 2.8). Lemafulin exhibits a unique binding property; therefore, it possess a potentially lower predisposition for the development of bacterial resistance and cross-resistance to other antimicrobial classes. Lefamulin is active against gram-positive including methicillin-resistant strains and atypical organisms which are often implicated in…
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